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CN106129471A - 一种相容性良好的锂电池电解液 - Google Patents

一种相容性良好的锂电池电解液 Download PDF

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Publication number
CN106129471A
CN106129471A CN201610746538.6A CN201610746538A CN106129471A CN 106129471 A CN106129471 A CN 106129471A CN 201610746538 A CN201610746538 A CN 201610746538A CN 106129471 A CN106129471 A CN 106129471A
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parts
compatibility
good
lithium battery
battery electrolytes
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陈平
陈一平
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Wuxi Baolai Battery Co
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Wuxi Baolai Battery Co
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/056Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
    • H01M10/0564Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
    • H01M10/0566Liquid materials
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/056Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
    • H01M10/0564Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
    • H01M10/0566Liquid materials
    • H01M10/0567Liquid materials characterised by the additives
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/056Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
    • H01M10/0564Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
    • H01M10/0566Liquid materials
    • H01M10/0569Liquid materials characterised by the solvents
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2300/00Electrolytes
    • H01M2300/0017Non-aqueous electrolytes
    • H01M2300/0025Organic electrolyte
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Secondary Cells (AREA)

Abstract

本发明公开了一种相容性良好的锂电池电解液,其包括以下重量份数的原料:稳态锂粉5–12份、环状碳酸酯3‑8份、4‑氟‑1,3‑二氧戊环‑2‑酮40–80份、碳纳米管3~8份、碳酸乙烯酯3~6份、SEI成膜剂4‑8份、抗过冲添加剂3‑5份、阻燃剂0.5–1.5份、氟化钾1‑2份、1‑乙基‑3‑甲基咪唑1~3份。本发明提供的一种相容性良好的锂电池电解液,为经多次实验获得的具有良好相容性、较高的热稳定性的电解液,使电池具有更加优异高温循环和储存性能,电池使用性能更优。

Description

一种相容性良好的锂电池电解液
技术领域
本发明涉及电池技术领域,具体涉及一种相容性良好的锂电池电解液。
背景技术
锂离子电池以其比能量高、无污染、无记忆效应、寿命长而著称。近年来,锂离子电池备受重视,得到推广和应用。小到电子手表、手机,大到电动自行车、汽车,广受欢迎,甚至在军事航天等领域,锂离子电池也是越来越获得青睐。锂离子电池已经深刻影响人们的日常生活和工作。目前的锂离子电池由于电解液相容性差及锂盐溶解性不佳导致电池使用性较差。
发明内容
针对现有技术不足,本发明提供了一种相容性良好的锂电池电解液。
本发明解决上述技术问题采用的技术方案为:一种相容性良好的锂电池电解液,包括以下重量份数的原料:稳态锂粉5–12份、环状碳酸酯3-8份、4-氟-1,3-二氧戊环-2-酮40–80份、碳纳米管3~8份、碳酸乙烯酯3~6份、SEI成膜剂4-8份、抗过冲添加剂3-5份、阻燃剂0.5–1.5份、氟化钾1-2份、1-乙基-3-甲基咪唑1~3份。
优选地,所述一种相容性良好的锂电池电解液,包括以下重量份数的原料:稳态锂粉:8份、环状碳酸酯5份、4-氟-1,3-二氧戊环-2-酮60份、碳纳米管5份、碳酸乙烯酯5份、SEI成膜剂6份、抗过冲添加剂4份、阻燃剂1份、氟化钾1.5份、1-乙基-3-甲基咪唑2份。
与现有技术相比,本发明具备的有益效果为:
本发明提供的一种相容性良好的锂电池电解液,为经多次实验获得的具有良好相容性、较高的热稳定性的电解液,使电池具有更加优异高温循环和储存性能,电池使用性能更优。
具体实施方式
下面结合具体实施例对本发明做进一步的说明。
实施例1:一种相容性良好的锂电池电解液,包括以下重量份数的原料:稳态锂粉:8份、环状碳酸酯5份、4-氟-1,3-二氧戊环-2-酮60份、碳纳米管5份、碳酸乙烯酯5份、SEI成膜剂6份、抗过冲添加剂4份、阻燃剂1份、氟化钾1.5份、1-乙基-3-甲基咪唑2份。
实施例2:一种相容性良好的锂电池电解液,包括以下重量份数的原料:稳态锂粉5份、环状碳酸酯3份、4-氟-1,3-二氧戊环-2-酮40份、碳纳米管3份、碳酸乙烯酯3份、SEI成膜剂4份、抗过冲添加剂3份、阻燃剂0.5份、氟化钾1份、1-乙基-3-甲基咪唑1份。
实施例3:一种相容性良好的锂电池电解液,包括以下重量份数的原料:稳态锂粉12份、环状碳酸酯8份、4-氟-1,3-二氧戊环-2-酮80份、碳纳米管8份、碳酸乙烯酯6份、SEI成膜剂8份、抗过冲添加剂5份、阻燃剂1.5份、氟化钾2份、1-乙基-3-甲基咪唑3份。
实施例4:一种相容性良好的锂电池电解液,包括以下重量份数的原料:稳态锂粉12份、环状碳酸酯3份、4-氟-1,3-二氧戊环-2-酮80份、碳纳米管3份、碳酸乙烯酯6份、SEI成膜剂4份、抗过冲添加剂5份、阻燃剂0.5份、氟化钾2份、1-乙基-3-甲基咪唑1份。
实施例5:一种相容性良好的锂电池电解液,包括以下重量份数的原料:稳态锂粉10份、环状碳酸酯4份、4-氟-1,3-二氧戊环-2-酮55份、碳纳米管7份、碳酸乙烯酯4份、SEI成膜剂7份、抗过冲添加剂4份、阻燃剂0.8份、氟化钾1.2份、1-乙基-3-甲基咪唑2份。
应当说明的是,上述内容并非是对本发明的限制,本发明也不限于上述举例,凡本技术领域的普通技术人员,在本发明的实质范围之内作出的变化、改型、添加或替换,都应属于本发明的保护范围。

Claims (4)

1.一种相容性良好的锂电池电解液,其特征在于:包括以下重量份数的原料:稳态锂粉5–12份、环状碳酸酯3-8份、4-氟-1,3-二氧戊环-2-酮40–80份、碳纳米管3~8份、碳酸乙烯酯3~6份、SEI成膜剂4-8份、抗过冲添加剂3-5份、阻燃剂0.5–1.5份、氟化钾1-2份、1-乙基-3-甲基咪唑1~3份。
2.根据权利要求1所述的一种相容性良好的锂电池电解液,其特征在于,包括以下重量份数的原料:稳态锂粉8份、环状碳酸酯5份、4-氟-1,3-二氧戊环-2-酮60份、碳纳米管5份、碳酸乙烯酯5份、SEI成膜剂6份、抗过冲添加剂4份、阻燃剂1份、氟化钾1.5份、1-乙基-3-甲基咪唑2份。
3.根据权利要求1所述的一种相容性良好的锂电池电解液,其特征在于,包括以下重量份数的原料:稳态锂粉5份、环状碳酸酯3份、4-氟-1,3-二氧戊环-2-酮40份、碳纳米管3份、碳酸乙烯酯3份、SEI成膜剂4份、抗过冲添加剂3份、阻燃剂0.5份、氟化钾1份、1-乙基-3-甲基咪唑1份。
4.根据权利要求1所述的一种相容性良好的锂电池电解液,其特征在于,包括以下重量份数的原料:稳态锂粉12份、环状碳酸酯8份、4-氟-1,3-二氧戊环-2-酮80份、碳纳米管8份、碳酸乙烯酯6份、SEI成膜剂8份、抗过冲添加剂5份、阻燃剂1.5份、氟化钾2份、1-乙基-3-甲基咪唑3份。
CN201610746538.6A 2016-08-29 2016-08-29 一种相容性良好的锂电池电解液 Pending CN106129471A (zh)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108288690A (zh) * 2017-01-09 2018-07-17 溧阳天目先导电池材料科技有限公司 一种锂固态电池负极及其制备方法和应用
CN108933047A (zh) * 2018-07-17 2018-12-04 中国科学院过程工程研究所 一种用于锂离子电容器的预锂化凝胶电解质及其制备方法
CN109494405A (zh) * 2018-09-18 2019-03-19 浙江蓝德能源科技发展有限公司 一种锂离子电池电解液添加剂和电解液

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1770547A (zh) * 2004-11-05 2006-05-10 索尼株式会社 电解液和电池
CN105514396A (zh) * 2016-02-05 2016-04-20 宁波良能新材料有限公司 一种锂硫电池负极材料及其制备方法
CN105702950A (zh) * 2016-02-03 2016-06-22 山东康洋电源有限公司 一种新能源汽车专用安全型锂离子电池

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1770547A (zh) * 2004-11-05 2006-05-10 索尼株式会社 电解液和电池
CN105702950A (zh) * 2016-02-03 2016-06-22 山东康洋电源有限公司 一种新能源汽车专用安全型锂离子电池
CN105514396A (zh) * 2016-02-05 2016-04-20 宁波良能新材料有限公司 一种锂硫电池负极材料及其制备方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108288690A (zh) * 2017-01-09 2018-07-17 溧阳天目先导电池材料科技有限公司 一种锂固态电池负极及其制备方法和应用
CN108933047A (zh) * 2018-07-17 2018-12-04 中国科学院过程工程研究所 一种用于锂离子电容器的预锂化凝胶电解质及其制备方法
CN109494405A (zh) * 2018-09-18 2019-03-19 浙江蓝德能源科技发展有限公司 一种锂离子电池电解液添加剂和电解液

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